Find All the Rational Zeros of the Function $f ( x ) = x ^ { 5 } - 5 x ^ { 4 } + 11 x ^ { 3 } - 23 x ^ { 2 } + 28 x - 12$

question 32

Multiple Choice

Find all the rational zeros of the function $f ( x ) = x ^ { 5 } - 5 x ^ { 4 } + 11 x ^ { 3 } - 23 x ^ { 2 } + 28 x - 12$ .

• A)​x = -2,2,1,3
• B)​x = 3,1
• C)​x = -2,-1,-3
• D)​x = -1,-2
• E)x = -2,2,-1,1,-3

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